1 (* COCANWIKI - a wiki written in Objective CAML.
2 * Written by Richard W.M. Jones <rich@merjis.com>.
3 * Copyright (C) 2004 Merjis Ltd.
4 * $Id: user_prefs.ml,v 1.3 2004/10/30 10:16:10 rich Exp $
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
29 open Cocanwiki_template
30 open Cocanwiki_strings
32 let run r (q : cgi) (dbh : Dbi.connection) hostid {hostname=hostname} user =
33 let email_change_template = _get_template "user_prefs_email_change.txt" in
36 let new_email = trim (q#param "email") in
37 let email_notify = q#param_true "email_notify" in
38 let diff_sidebyside = q#param_true "diff_sidebyside" in
42 Anonymous -> assert false
43 | User (userid, _, _, _) -> userid in
45 (* Update the preferences fields. *)
47 dbh#prepare_cached "update users set email_notify = ?, diff_sidebyside = ?
48 where hostid = ? and id = ?" in
49 sth#execute [`Bool email_notify; `Bool diff_sidebyside;
50 `Int hostid; `Int userid];
52 (* Have we changed the email address? *)
54 if new_email = "" then (
55 (* Set the email field in the database to null. No need for
58 let sth = dbh#prepare_cached "update users set email = null
59 where hostid = ? and id = ?" in
60 sth#execute [`Int hostid; `Int userid];
64 (* Is the new email address different from the one currently recorded
67 let sth = dbh#prepare_cached "select ? <> coalesce (email, '')
68 from users where hostid = ? and id = ?" in
69 sth#execute [`String new_email; `Int hostid; `Int userid];
72 match sth#fetch1 () with [ `Bool b ] -> b | _ -> assert false in
75 let key = random_sessionid () in
76 (* Changed, so we add to the pending_email_changes table. *)
77 let sth = dbh#prepare_cached "insert into pending_email_changes
78 (key, userid, email) values (?, ?, ?)" in
79 sth#execute [`String key; `Int userid; `String new_email];
81 (* Send the confirm email. *)
82 email_change_template#set "hostname" hostname;
83 email_change_template#set "key" key;
84 let body = email_change_template#to_string in
86 let subject = "Please verify your new email address at " ^ hostname in
87 Sendmail.send_mail ~subject ~to_addr:[new_email] ~body ()
93 (* Good place to remove old rows in the pending_email_changes table. *)
94 let sth = dbh#prepare_cached "delete from pending_email_changes
95 where change_date - current_date > 7" in
98 (* Commit and finish off. *)
101 let buttons = [ ok_button "/_userprefs" ] in
102 ok ~title:"Preferences updated" ~buttons
103 q ("Your user preferences were updated. " ^
104 if confirm_needed then
105 ("Because you changed your email address, we have sent a " ^
106 "confirmation email to your new address. You will need to " ^
107 "click on the link in that email to verify your new address.")
112 register_script ~anonymous:false run